<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="68px">
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['matter:matter:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['matter:matter:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['matter:matter:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['matter:matter:export']"
        >导出</el-button>
      </el-col>
    </el-row>

    <el-table v-loading="loading" :data="matterList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="图片" align="center" prop="img" >
        <template slot-scope="scope">
          <el-image :src="imgpre+ scope.row.img"></el-image>
        </template>
      </el-table-column>
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="创建时间" align="center" prop="gmtTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.gmtTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['matter:matter:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['matter:matter:remove']"
          >删除</el-button>
          <el-button size="mini"
                  type="text"
                     class="btn"
                     @click="copyLink" data-clipboard-action="copy"
                  :data-clipboard-text="imgpre + scope.row.img">
            复制链接
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改素材库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" v-dialogdrag append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="备注" prop="name">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
        <el-form-item label="图片" prop="img">
          <el-upload
            class="upload-demo"
            drag
            :action="action"
            :on-success="handleAvatarSuccess"
            :before-upload="beforeAvatarUpload"
            multiple>
            <i class="el-icon-upload"></i>
            <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
            <div class="el-upload__tip" slot="tip">只能上传jpg/png文件，且不超过500kb</div>
          </el-upload>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMatter, getMatter, delMatter, addMatter, updateMatter, exportMatter } from "@/api/cms/matter";
import defaultSettings from '@/settings'
import Clipboard from 'clipboard'
export default {
  name: "Matter",
  props: {
    albumId: {
      type: Number
    }
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 素材库表格数据
      matterList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否删除  0未删除   1已删除字典
      isDelOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        albumId: this.albumId,
        name: undefined,
        img: undefined,
        gmtTime: undefined,
        isDel: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      action: process.env.VUE_APP_BASE_API + '/common/upload/oss',
      imgUrl: undefined,
      imgpre: defaultSettings.ossPreview,
    };
  },
  created() {
    this.getList();
    this.getDicts("sys_is_enable").then(response => {
      this.isDelOptions = response.data;
    });
  },
  methods: {
    /** 查询素材库列表 */
    getList() {
      this.loading = true;
      listMatter(this.queryParams).then(response => {
        this.matterList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 是否删除  0未删除   1已删除字典翻译
    isDelFormat(row, column) {
      return this.selectDictLabel(this.isDelOptions, row.isDel);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        albumId: this.albumId,
        name: undefined,
        remark: undefined,
        img: this.imgUrl,
        gmtTime: undefined,
        isDel: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加素材库";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getMatter(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改素材库";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateMatter(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          } else {
            addMatter(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除素材库编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delMatter(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有素材库数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportMatter(queryParams);
        }).then(response => {
          this.download(response.msg);
        }).catch(function() {});
    },
    beforeAvatarUpload (file) {
      const isJPG = file.type === 'image/jpeg' || file.type === 'image/png'
      const isLt2M = file.size / 1024 / 1024 < 1

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG / PNG 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 1MB!')
      }
      return isJPG && isLt2M
    },
    handleAvatarSuccess (res, file) {
      this.form.img =  res.imgUrl
    },
    copyLink () {
      let clipboard = new Clipboard('.btn')
      clipboard.on('success', e => {
        this.msgSuccess("复制成功");
        clipboard.destroy() // 使用destroy可以清楚缓存
      })
      clipboard.on('error', e => {
        this.msgError("复制失败");
        clipboard.destroy()
      })
    }
  }
};
</script>
